What are AI evals? A guide to AI model & agent evals

What are AI evals? Learn how AI model and agent evaluations work, explore different types of evals, and discover how they measure performance and reliability.

11 Best platforms for LLM output evaluation (compared)

Compare LLM evaluation platforms by metrics, datasets, human review, workflow fit, and cost. Learn why reliable results require more than software.

How to collect training data for AI models

Learn how to collect training data for AI: compare build, buy, license, and custom options by task, quality, budget, timing, and data rights.

AI agent monitoring & observability guide

Learn how to monitor AI agents, choose key metrics and tools, and connect production traces with expert-led evaluation to track reliability over time.

AI performance metrics & KPIs: Enterprise guide

Explore AI performance metrics for models and agents. Learn which KPIs to track, how to set baselines, and how benchmarks connect quality to business impact.

AI observability: A complete guide

Learn what AI observability is, how traces, metrics, and evaluations reveal production behavior, and what enterprises need to improve AI quality and reliability.

LLM evaluation metrics: A complete guide

Learn what LLM evaluation metrics measure, how to score them, and how to choose the right mix for generation, RAG, agents, and professional workflows.

LLM evaluation frameworks: A complete guide 

Compare LLM evaluation frameworks, metrics, scoring methods, and expert review workflows to choose the right approach for your organization.

What is an AI agent & how does it work?

Learn what AI agents are, how they work, and where they add value. Explore agent types, risks, and ways to evaluate reliability in professional workflows.

LLM evaluation guide: Methods & best practices

What is LLM evaluation? Learn the types, metrics, methods, benchmarks, and best practices for assessing AI performance in professional workflows.

Best AI models for corporate lawyer agents

Compare the best AI agent models for corporate lawyers using APEX-Agents benchmark data, including rankings, legal task performance, and key insights.


Best AI models for coding & software engineering work

Compare the best AI models for coding & software engineering related evaluations. See APEX-SWE rankings, code generation, debugging strengths, and key tradeoffs.

Best AI models for general practitioners

Compare the best AI models for general practitioners with Mercor's APEX AI productivity benchmark. See rankings, scores, and primary care performance.

Best AI models for consulting associates

Compare the best AI models for consulting associates with Mercor's APEX model productivity benchmark. See rankings, scores, and consulting task performance.

Best AI models for investment banking analysts

Compare the best AI model productivity for investment banking analyst tasks with Mercor's APEX benchmark. See rankings, scores, and financial modeling performance.

Best AI models for Big Law associates

Explore the best AI models for Big Law associates. Compare AI productivity APEX benchmark scores, rankings, and performance on real legal tasks.

Best AI models for management consulting agents

Compare the best AI models for management consulting agents with Mercor's APEX-Agents benchmark, featuring expert-graded rankings and performance data.


Best AI models right now

Looking for the best AI model for your professional workload? Explore our expert-backed guide to the top-performing AI agents and coding models, ranked by real-world productivity benchmarks.

Best AI models for investment banking analyst agents

Compare the best AI models for investment banking analyst agents using APEX-Agents benchmark data, including rankings, financial modeling performance, and insights.

What are LLM benchmarks? A complete guide

Learn what LLM benchmarks measure, how scoring works, where benchmarks fall short, and how to choose public and private evals for enterprise use cases.


How to test AI models for performance, trust, & fit

Learn how to test AI models against real organizational workflows using representative cases, clear pass/fail criteria, edge cases, and independent benchmarks.


What are autonomous AI agents? How they work & perform

Autonomous AI agents act independently to achieve goals. Learn what they are, how they work, industry use cases, and what APEX benchmarks reveal about real performance.


How to evaluate AI models for your company: A step-by-step guide

Learn how to evaluate AI models by defining business requirements, comparing quality, safety, cost, latency, and domain benchmarks, and selecting the right fit.


Will AI replace software engineers?

Can AI replace software engineers? See which engineering tasks AI can accelerate, where human oversight still matters, and how software roles may change.


Will AI replace software engineers? What the evidence says

What is LLM-as-a-judge & how does it work?

Learn what LLM-as-a-judge is, how it scores AI outputs, where it fails, and how expert build rubrics help with model evaluation.


Will AI replace financial analysts?

Will AI replace financial analysts? Learn about AI capabilities, limits, changing roles, and how finance teams should prepare.


Will AI replace financial analysts? Tasks vs roles

How to evaluate AI agents: A complete guide

Learn how to evaluate AI agents using task outcomes, trajectories, tool use, safety.


Will AI replace doctors? What do the benchmarks say?

AI is transforming medicine, but will it replace doctors? See what AI can and can't do today, which specialties change most, and what it means for you.


AI in medicine: Use cases, benchmarks, & reality

See where AI in medicine works today, from diagnostics to clinical decision support, and what benchmark scores reveal about AI's real clinical reasoning.



AI impact on jobs: What the benchmark data shows

AI's impact on jobs is real but uneven: More roles are reshaped than replaced. See which work is exposed, what's changed by mid-2026, and how to stay ready.


LMSYS Chatbot Arena vs. Mercor’s APEX benchmarks

LMSYS Chatbot Arena is a crowdsourced platform where blind votes rank AI models with Elo-style scores. See how the LMArena leaderboard works and its limits.

AI in banking: Use cases, benchmarks, & benefits

See where AI in banking delivers real value, from fraud detection to investment banking, and what benchmark evidence reveals about AI's true benefits today.

AI in accounting: Applications, benchmarks, & impact

See where AI in accounting actually delivers, from bookkeeping to audit, and what benchmark evidence reveals about AI's real capabilities and limits today.

AI in finance: Use cases, benchmarks, & benefits

See how AI in finance performs on real investment banking tasks, where it adds value across financial services, and where human judgment still matters.

Will AI replace lawyers?

Will AI replace lawyers? Learn which legal tasks AI can accelerate, where lawyers remain essential, and how legal teams can prepare for AI.


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